Std.List.scan
1 declaration
fn
scan: &Array[T] -> fn(A, T) -> A -> A -> Array[A]This is a callable function.
What it does
Every running total, starting from the initial value.
The result is one longer than the input, because the initial value is a
running total too.
Read the signature
- The text after the name is the type checked by Pudu.
- Read arrows from left to right: inputs come first, and the final type is returned.
- & borrows a value for this call instead of moving or copying it.
- Names inside [ ] are type arguments, such as the item type held by a collection.